these are their parents 同义句
问题描述：
these are their parents 同义句
答
有没有变化格式要求?否则有很多种变化形式,如：
= These are their fathers and mothers.
= These/The parents are theirs.
注：/ 表示可以任意选用其一.
如果你满意我的答案,敬请点击“选为满意回答” ,